---
product_id: 277011793
title: "SanJie Door Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids"
brand: "sanjie"
price: "€ 126.21"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/277011793-sanjie-door-window-alarm-5-pcs-home-security-magnetic-sensor
store_origin: NL
region: Netherlands
---

# 120dB piercing alert 12-month battery life No wiring, peel & stick SanJie Door Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids

**Brand:** sanjie
**Price:** € 126.21
**Availability:** ✅ In Stock

## Summary

> 🚪🔔 Secure your space, silence your worries!

## Quick Answers

- **What is this?** SanJie Door Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids by sanjie
- **How much does it cost?** € 126.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/277011793-sanjie-door-window-alarm-5-pcs-home-security-magnetic-sensor)

## Best For

- sanjie enthusiasts

## Why This Product

- Trusted sanjie brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant 120dB Alarm:** Shatter silence with a piercing alert that deters intruders immediately.
- • **Year-Long Battery Life:** Powered by 3 included batteries, enjoy up to 12 months of uninterrupted protection.
- • **Effortless Installation:** No tools, no screws—just peel the double-sided tape and secure your space in seconds.
- • **Compact & Wireless Design:** Sleek magnetic sensors fit flat doors/windows, blending security seamlessly into your lifestyle.
- • **Versatile Safety Reminder:** Perfect for homes, offices, and even keeping kids or elderly family members safe and accounted for.

## Overview

The SanJie Door Window Alarm 5 PCS set offers a powerful 120dB wireless magnetic sensor alarm system that instantly alerts you when doors or windows open. Designed for easy peel-and-stick installation with no wiring required, it runs on 3 included batteries providing up to 12 months of standby time. Ideal for home, office, or apartment use, it also helps monitor children and elderly family members, combining convenience with robust security.

## Description

SanJieDoor Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids

## Features

- Wireless Home Security Door Window Alarm Magnetic Detector ,120 DB volume alert will warn you the door or window is opening.
- Easy to install, including double-sided tape, no wiring or screws needed, just simply tear the tape and paste it. It will be a perfect choice for your family, office ,apartment,garage .etc.
- Powered by 3* Batteries(included),usually it can standby for 12 months.Low battery indicator will inform you to change battery. (IT ONLY FITS ON FLAT DOOR AND FRAME
- Instant alarm reminder,the alarm will be triggered and alarm immediately when someone opens the door ( the minimum trigger distance is 1 cm)
- Not only can it be used to protect your family's safety, it also can be used to remind the forgetful old people that the doors and windows are not closed, and can even be used to prevent children from leaving the house without inform.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of batteries | 1 12V batteries required. (included) |
| Voltage | 110 Volts |
| Control method | App, Touch |
| Noise level | 110 Decibels |
| Mounting type | Door Mount |
| Sensor technology | Contact Sensor |
| UPC | 680727535469 |
| Size | 5 PACK |
| Manufacturer | SanJie |
| Part number | YYDOA01 |
| Item Weight | 210 g |
| Product Dimensions | 7.62 x 3.81 x 2.03 cm; 210 g |
| Batteries | 1 12V batteries required. (included) |
| Item model number | YYDOA01 |
| Color | Multi |
| Item Package Quantity | 1 |
| Special Features | wireless |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Silver Oxide |
| tech_spec_battery_description_toys | Alkaline |

## Product Details

- **Colour:** Multi
- **Brand:** SanJie
- **Power source:** Battery Powered
- **Compatible devices:** Home Security System
- **Battery description:** Alkaline

## Images

![SanJie Door Window Alarm 5 PCS Home Security Magnetic Sensor 120DB Alert for Home Business Kids - Image 1](https://m.media-amazon.com/images/I/71nIcXemGKL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Are the alarms easy to install?**
A: YES. Just remove the 3M double-sided tape and ensure the gap between the alarm does not exceed 0.4in.The arrows of the alarm are aligned with each other.

**Q: How long do the batteries typically last?**
A: The batteries are already built into the alarm. 1 Alarm Pack for 3*LR44 batteries and will last 12 months normally.

**Q: Can the volume of the alarm be adjusted?**
A: YES. The alarm has 3 modes, Mode 1: 125dB alarm, Mode 2: 100dB alarm, Mode 3: 100dB “ding dong” 2 times. The alarm maximum sound loud enough to deter intruders.

**Q: Are the alarms suitable for use on sliding doors or windows?**
A: YES. Alarms are generally available for sliding doors/windows. For best performance, make sure the alarm is mounted in a position that detects movement.

**Q: Does alarm false alarm easily?**
A: NO. Alarm sounds immediately upon separation and lasts for 30s before stopping unless the door/window is closed.

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*